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Finding the Fourth Proportional to 450,507.39, 621,855.75 and 259,596.87

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Solution

The fourth proportional to 450,507.39, 621,855.75 and 259,596.87 is: 358,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,507.39 : 621,855.75 = 259,596.87 : x
  2. Step 2: Convert to fraction form
    450,507.39/621,855.75 = 259,596.87/x
  3. Step 3: Cross multiply
    450,507.39x = 621,855.75 × 259,596.87
  4. Step 4: Simplify right side
    450,507.39x = 161,431,806,291.50
  5. Step 5: Solve for x
    x = 161,431,806,291.50/450,507.39
  6. Step 6: Final answer
    x = 358,333.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.